Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 31 Jan 2007 | Three Rivers | 2 | 1 | Slight |
| Mon 5 Feb 2007 | Harrow | 2 | 1 | Slight |
| Sun 11 Feb 2007 | Watford | 2 | 2 | Slight |
| Thu 1 Mar 2007 | Hertsmere | 2 | 1 | Slight |
| Thu 29 Mar 2007 | Three Rivers | 2 | 2 | Slight |
| Fri 6 Apr 2007 | Watford | 1 | 1 | Slight |
| Mon 16 Apr 2007 | Hertsmere | 4 | 1 | Slight |
| Wed 18 Apr 2007 | Harrow | 3 | 1 | Slight |
| Wed 18 Apr 2007 | Harrow | 3 | 1 | Slight |
| Sun 3 Jun 2007 | Harrow | 2 | 2 | Slight |
| Mon 18 Jun 2007 | Hertsmere | 3 | 1 | Slight |
| Mon 18 Jun 2007 | Hertsmere | 3 | 1 | Slight |
| Fri 22 Jun 2007 | Watford | 2 | 1 | Slight |
| Sat 23 Jun 2007 | Harrow | 3 | 3 | Slight |
| Tue 14 Aug 2007 | Watford | 2 | 1 | Slight |
| Wed 29 Aug 2007 | Hertsmere | 2 | 1 | Slight |
| Mon 17 Sep 2007 | Watford | 2 | 1 | Slight |
| Sat 15 Dec 2007 | Hertsmere | 2 | 2 | Serious |
| Sat 15 Dec 2007 | Hertsmere | 2 | 2 | Serious |